213862005

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:360

約数の個数: 128

約数和(自身を含む): 469708800

約数和(自身を除く): 255846795

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 43, 45, 57, 63, 95, 105, 129, 133, 135, 171, 189, 215, 277, 285, 301, 315, 387, 399, 513, 645, 665, 817, 831, 855, 903, 945, 1161, 1197, 1385, 1505, 1935, 1939, 1995, 2451, 2493, 2565, 2709, 3591, 4085, 4155, 4515, 5263, 5719, 5805, 5817, 5985, 7353, 7479, 8127, 9695, 11911, 12255, 12465, 13545, 15789, 17157, 17451, 17955, 22059, 26315, 28595, 29085, 35733, 36765, 36841, 37395, 40635, 47367, 51471, 52353, 59555, 78945, 83377, 85785, 87255, 107199, 110295, 110523, 142101, 154413, 178665, 184205, 226309, 236835, 250131, 257355, 261765, 321597, 331569, 416885, 535995, 552615, 678927, 710505, 750393, 772065, 994707, 1131545, 1250655, 1584163, 1607985, 1657845, 2036781, 2251179, 3394635, 3751965, 4752489, 4973535, 6110343, 7920815, 10183905, 11255895, 14257467, 23762445, 30551715, 42772401, 71287335, 213862005]

約数ペア:

[(1, 213862005), (3, 71287335), (5, 42772401), (7, 30551715), (9, 23762445), (15, 14257467), (19, 11255895), (21, 10183905), (27, 7920815), (35, 6110343), (43, 4973535), (45, 4752489), (57, 3751965), (63, 3394635), (95, 2251179), (105, 2036781), (129, 1657845), (133, 1607985), (135, 1584163), (171, 1250655), (189, 1131545), (215, 994707), (277, 772065), (285, 750393), (301, 710505), (315, 678927), (387, 552615), (399, 535995), (513, 416885), (645, 331569), (665, 321597), (817, 261765), (831, 257355), (855, 250131), (903, 236835), (945, 226309), (1161, 184205), (1197, 178665), (1385, 154413), (1505, 142101), (1935, 110523), (1939, 110295), (1995, 107199), (2451, 87255), (2493, 85785), (2565, 83377), (2709, 78945), (3591, 59555), (4085, 52353), (4155, 51471), (4515, 47367), (5263, 40635), (5719, 37395), (5805, 36841), (5817, 36765), (5985, 35733), (7353, 29085), (7479, 28595), (8127, 26315), (9695, 22059), (11911, 17955), (12255, 17451), (12465, 17157), (13545, 15789)]